drm/bridge: analogix_dp: support dual connector with other display interface

Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
Change-Id: Ic86b7237d7d01031ca761d557389426051c58eee

drivers/gpu/drm/bridge/analogix/analogix_dp_core.c

@@ -1916,7 +1916,7 @@ analogix_dp_bridge_mode_valid(struct drm_bridge *bridge,
 
 	drm_mode_copy(&m, mode);
 
-	if (dp->plat_data->split_mode)
+	if (dp->plat_data->split_mode || dp->plat_data->dual_connector_split)
 		dp->plat_data->convert_to_origin_mode(&m);
 
 	max_link_rate = min_t(u32, dp->video_info.max_link_rate,

include/drm/bridge/analogix_dp.h

@@ -43,6 +43,11 @@ struct analogix_dp_plat_data {
 	bool ssc;
 
 	bool split_mode;
+
+	/* split with other display interface */
+	bool dual_connector_split;
+	bool left_display;
+
 	struct analogix_dp_device *left;
 	struct analogix_dp_device *right;